Expected

* WHAT...Visibility 1/4 mile or less in dense fog. * WHERE...Gogebic and Ontonagon Counties. * WHEN...Until 11 AM EDT /10 AM CDT/ this morning. * IMPACTS...Low visibility could make driving conditions hazardous. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

At 513 AM EDT, Doppler radar was tracking strong thunderstorms along a line extending from 9 miles southwest of Hide-A-Way Hills to 8 miles north of South Webster. Movement was southeast at 45 mph. HAZARD...Wind gusts up to 40 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Jackson, Wellston, Mcarthur, Oak Hill, Rio Grande, Lake Hope State

* WHAT...Heat index values up to 106. * WHERE...Portions of south central and southeast Kansas. * WHEN...Until 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

* WHAT...Heat index values up to 110. * WHERE...Portions of southeast Arkansas, northeast Louisiana, and central, east central, north central, northeast, south central, southeast, and southwest Mississippi. * WHEN...From 10 AM this morning to 9 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose

* WHAT...Dangerously hot conditions with heat index values of 105-112 expected. * WHERE...Portions of central, north central, northwest, southwest, and west central Mississippi. * WHEN...From 10 AM this morning to 9 PM CDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car

* WHAT...Dangerously hot conditions with high temperatures in the mid 90s to 105 expected. * WHERE...San Diego County Mountains. * WHEN...From 10 AM Thursday to 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

* WHAT...Dangerously hot conditions with high temperatures in the mid 90s in the western valleys to around 105 near the foothills expected. * WHERE...San Diego County Valleys. * WHEN...From 10 AM Friday to 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

* WHAT...High temperatures in the mid 80s to lower 90s for higher coastal terrain expected. * WHERE...Orange County Coastal Areas. * WHEN...From 10 AM Friday to 8 PM PDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

* WHAT...Dangerously hot conditions with high temperatures up to 114 expected. * WHERE...Apple and Lucerne Valleys. * WHEN...From 10 AM Thursday to 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

* WHAT...Dangerously hot conditions with temperatures up to 103 expected. * WHERE...Santa Ana Mountains and Foothills. * WHEN...From 10 AM Friday to 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.